Home / 549,090.20-757,744.79-307,373.24

Finding the Fourth Proportional to 549,090.20, 757,744.79 and 307,373.24

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Solution

The fourth proportional to 549,090.20, 757,744.79 and 307,373.24 is: 424,175.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,090.20 : 757,744.79 = 307,373.24 : x
  2. Step 2: Convert to fraction form
    549,090.20/757,744.79 = 307,373.24/x
  3. Step 3: Cross multiply
    549,090.20x = 757,744.79 × 307,373.24
  4. Step 4: Simplify right side
    549,090.20x = 232,910,465,869.83
  5. Step 5: Solve for x
    x = 232,910,465,869.83/549,090.20
  6. Step 6: Final answer
    x = 424,175.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.